John Cromwell, eigentlich Elwood Dager Cromwell (* 23. Dezember 1887 in Toledo, Ohio; † 26. November 1979 in Santa Barbara, Kalifornien), war ein US-amerikanischer Schauspieler und Regisseur. ()
Elwood Dager Cromwell, known as John Cromwell, was an American film and stage director and actor. His films spanned the early days of sound to 1950s film noir, when his directing career was cut short by the Hollywood blacklist.